THE SLITHERING MASS

Double Strike, First strike, (Regrowth> For each
point of Dmg this Boss takes
add a 1/1 dog of choice on battlefield.
gain the health when it dies from DMG),
{t}(Do x damage where x is your life total target Anything.)
{x}{t} If x is 5 or more then hydra gains 1/1
If not exile a card from players hand)
{x}{3}{t} If x is 3 then you destroy 3 target
Creatures if not then draw 4 Cards.